Home / 89,984.91-124,176.80-49,697.81

Finding the Fourth Proportional to 89,984.91, 124,176.80 and 49,697.81

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Solution

The fourth proportional to 89,984.91, 124,176.80 and 49,697.81 is: 68,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984.91 : 124,176.80 = 49,697.81 : x
  2. Step 2: Convert to fraction form
    89,984.91/124,176.80 = 49,697.81/x
  3. Step 3: Cross multiply
    89,984.91x = 124,176.80 × 49,697.81
  4. Step 4: Simplify right side
    89,984.91x = 6,171,315,012.81
  5. Step 5: Solve for x
    x = 6,171,315,012.81/89,984.91
  6. Step 6: Final answer
    x = 68,581.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.